Does 'light' of knowledge exist because there is no darkness? Is that darkness ignorance or living without awareness?

What exactly is this "knowledge" that brought light in the eyes of those who experiencedਗੁਰਬਾਣੀ ਇਸੁ ਜਗ ਮਹਿ ਚਾਨਣੁ

Let's hear from our fellow seekers: Inni Kaur, SikhRI CEO, and Kanwaljit Singh, CEO, Falcon Pride, USA, as they decode some of the messages from Gurbani, share their experiences of living this knowledge and facilitating our journey on the path of Gurbani.